Certain |
Possible |
Questionable Doubtful |
Rejected |
|
Confidence is a statement of the site as a medieval fortification or palace |
| Name | Alternative Name(s) | County | Remains |
| Alnwick Abbey | Northumberland | Masonry ruins/remnants | |
| Ancroft Church of St Ann, | Ancroft Vicars Pele; St Anne Church; Ancrofte | Durham; North | Major |
| Battle Abbey | Bello | Sussex | Masonry ruins/remnants |
| Blanchland Abbey | Lord Crew Hotel | Northumberland | Uncertain |
| Bolton Hospital | Hospital of St Thomas the Martyr | Northumberland | Cropmarks/slight earthworks |
| Boltongate Church of All Saints | Cumberland | Major | |
| Bridlington Priory | The Bayle Gate; Bridlyngton | Yorkshire East Riding | Nothing visible |
| Burgh by Sands Church of St Michael | Cumberland | Major | |
| Bywell Church of St Peter | Northumberland | Major | |
| Coquet Island Tower | Coket Island Tower; Coketeland | Northumberland | Masonry footings |
| Edlingham Church of St John the Bapist | Northumberland | Major | |
| Elsdon Church of St Cuthbert | Northumberland | Major | |
| Evesham Abbey | Worcestershire | Masonry footings | |
| Garway Church of St Michael | Garaway | Herefordshire | Major |
| Glasney College | Glassiney | Cornwall | Nothing visible |
| Great Salkeld Church of St Cuthbert | Cumberland | Major | |
| Hulne Friary | Hulne Priory; Hulne Abbey; Hulne Whitefriars | Northumberland | Masonry ruins/remnants |
| Lichfield Cathedral Close and Bishop Palace | Staffordshire | Masonry footings | |
| Lincoln Cathedral Close Wall | Lincolnshire | Masonry ruins/remnants | |
| Lindisfarne Priory | Holy Island | Durham; North | Masonry ruins/remnants |
| Longhoughton Church of St Peter and St Paul | Northumberland | Masonry ruins/remnants | |
| Michelham Priory | Sussex | Major | |
| Morpeth Church of St Mary | Northumberland | Major | |
| Newton Arlosh Church of St John the Baptist | Cumberland | Masonry ruins/remnants | |
| Penrith Church of St Andrew | Cumberland | Major | |
| Quarr Abbey | Quarrera | Hampshire | Masonry ruins/remnants |
| Quenington Court | Gloucestershire | Earthworks | |
| Ramsey Abbey | Huntingdonshire | Nothing visible | |
| South Charlton Chapel Tower | Northumberland | Nothing visible | |
| Southwell Minster | Nottinghamshire | Nothing visible | |
| St Albans Abbey | Great Gatehouse | Hertfordshire | Masonry ruins/remnants |
| St Augustines Abbey, Canterbury | The Kings House | Kent | Masonry ruins/remnants |
| St Michaels Mount Castle | Cornwall | Masonry footings | |
| Thornton Abbey | Lincolnshire | Major | |
| Tynemouth Castle | Tynemouth Priory; Tiefort; Tynemuth | Northumberland | Major |
| Waltham Abbey | Essex | Masonry ruins/remnants | |
| Wells Cathedral Precinct | Penniless Porch; Brown's Gate; The Dean's Eye; The Bishop's Eye | Somerset | Major |
| Wetheral Priory | Wetherall Priory | Cumberland | Major |
| York Abbey | St Marys Abbey; The Kings Manor | Yorkshire Ainsty & York | Major | Abbey of St Werburgh, Chester | Cheshire | Major | Abingdon Abbey | Abyndon | Berkshire | Nothing visible | Alnwick Church of St Mary and St Michael | Northumberland | Masonry ruins/remnants | Aslackby Preceptory | Temple Farm | Lincolnshire | Nothing visible | Bamburgh Church of St Aidan | Northumberland | Major | Bamburgh Friary | Friary Farm | Northumberland | Masonry ruins/remnants | Barton Church of St Michael | Westmorland | Major | Bedale Church of St Gregory | Yorkshire North Riding | Major | Bellingham Church of St Cuthbert | Northumberland | Major | Bolam Church of St Andrew | Northumberland | Major | Brainshaugh Priory, Acklington | Guyzance Priory; Gysyns; St Wilfrid's | Northumberland | Masonry ruins/remnants | Brampton Church of St Martin | Cumberland | Masonry ruins/remnants | Brigham Church of St Bridget | Cumberland | Major | Brinkburn Priory | Northumberland | Masonry footings | Buckland Abbey | Buckelond | Devon | Masonry ruins/remnants | Bury St Edmunds Abbey | Suffolk | Major | Caldbeck Church of St Kentigern | Cumberland | Major | Carlisle Cathderal Church and Priory of St Mary | Cumberland | Major | Chapel of St Cuthbert, Inner Farne Island | Durham; North | Masonry ruins/remnants | Chapel of St Mary, Belford | Chapel Crag | Northumberland | Masonry footings | Drax Priory | Long Drax | Yorkshire West Riding | Earthworks | Durham Cathedral | Dunelm | Durham; County Palatinate of | Masonry ruins/remnants | Eagle Preceptory | Aycle | Lincolnshire | Earthworks | Edenhall Church of St Cuthbert | Cumberland | Nothing visible | Edington Priory | Edyndon | Wiltshire | Masonry ruins/remnants | Embleton Church of the Holy Trinity | Northumberland | Major | Exeter Bishops Palace and Cathedral Close | Devon | Major | Gisborough Priory | Giseburghe; Guisborough; St Mary’s Priory | Yorkshire North Riding | Nothing visible | Great Crosthwaite Church of St Kentigern | Cumberland | Major | Greystoke Church of St Andrew | Cumberland | Masonry ruins/remnants | Halesowen Abbey | Shropshire | Masonry ruins/remnants | Harpham Manor and Church of St John of Beverley | Yorkshire East Riding | Major | Hartburn Church of St Andrew | Northumberland | Masonry ruins/remnants | Hexham Priory | Northumberland | Major | Holme Cultram Abbey | Hulm | Cumberland | Masonry ruins/remnants | Ingram Church of St Michael | Northumberland | Major | Kirk Merrington Church of St John | Merrington Church Tower | Durham; County Palatinate of | Nothing visible | Kirknewton Church of St Gregory the Great | Northumberland | Major | Kirkwhelpington Church of St Bartholomew | Northumberland | Masonry ruins/remnants | Lambley Priory and Bastle | St Mary and St Patrick’s Priory | Northumberland | Masonry footings | Langdon Abbey | Langedon | Kent | Masonry ruins/remnants | Langley Abbey | Norfolk | Masonry ruins/remnants | Lesbury Church of St Mary | Northumberland | Masonry ruins/remnants | Lewes Priory | Sussex | Masonry ruins/remnants | Low Chibburn Hospitallers Preceptory | Northumberland | Masonry ruins/remnants | Melmerby Church of St John the Baptist | Cumberland | Masonry ruins/remnants | Minster Court | Minster Abbey | Kent | Major | Newbiggin By The Sea Church of St Bartholomew | Northumberland | Masonry ruins/remnants | Norham Church of St Cuthbert | Durham; North | Masonry ruins/remnants | Ormside Church of St James | Westmorland | Major | Peterborough Bishops Palace | Abbey of Peterborough | Northamptonshire (Soke of Peterborough) | Masonry ruins/remnants | Peterborough Burh Defences or Abbey Precinct | Northamptonshire (Soke of Peterborough) | Nothing visible | Ponteland Church of St Mary | Northumberland | Major | Scaleby Church of All Saints | Cumberland | Major | Selby Abbey | Yorkshire West Riding | Nothing visible | Shaftesbury Abbey | Shafton | Dorset | Masonry ruins/remnants | Spalding Priory | Spaldyng | Lincolnshire | Nothing visible | St Andrews Cathedral Priory, Rochester | Kent | Uncertain | St Augustines, Shrewsbury | Sancti Augustini de Salop | Shropshire | Nothing visible | St Benets Abbey, Holm | Norfolk | Masonry ruins/remnants | Stamfordham Church of St Mary | Northumberland | Nothing visible | Temple Bruer Preceptory | la Bruere | Lincolnshire | Masonry ruins/remnants | The College and St John's Church, Rushford | Norfolk | Major | Thockrington Church of St Aidan | Throckrington; Thokeryngton | Northumberland | Nothing visible | Warkworth Church of St Lawrence | Church of St Laurence | Northumberland | Major | Whalley Abbey | Whalleye | Lancashire | Masonry ruins/remnants | Whittingham Church of St Bartholomew | Northumberland | Nothing visible | Wigton Church of St Mary | Cumberland | Nothing visible | Wilmington Priory | Sussex | Masonry ruins/remnants | Wilton Abbey | Wiltshire | Nothing visible | Winchcombe Abbey | Winchcomb; Wynchecombe | Gloucestershire | Nothing visible | Worcester Cathedral Priory | Wygorn | Worcestershire | Masonry ruins/remnants | Wylam Hall | Monks House; Sporting House | Northumberland | Masonry ruins/remnants | York Cathedral Precinct | Yorkshire Ainsty & York | Nothing visible |
| Abbey Town | Abbeytown; Holme Cultram | Cumberland | Cropmarks/slight earthworks |
| Franciscan Friary of Carlisle | Greyfriars | Cumberland | Nothing visible |
| Holy Island Church of St Mary | Durham; North | Masonry ruins/remnants | |
| Lanercost Priory | Cumberland | Major | |
| Reagill Grange | Renegill | Westmorland | Masonry ruins/remnants |
| Tavistock Abbey | Betsy Grimbald's Tower | Devon | Masonry ruins/remnants |
| Wherwell Abbey | Wherwell Priory | Hampshire | Nothing visible |